JPS564952A - Transmission system for vehicle sensing signal - Google Patents

Transmission system for vehicle sensing signal

Info

Publication number
JPS564952A
JPS564952A JP7939079A JP7939079A JPS564952A JP S564952 A JPS564952 A JP S564952A JP 7939079 A JP7939079 A JP 7939079A JP 7939079 A JP7939079 A JP 7939079A JP S564952 A JPS564952 A JP S564952A
Authority
JP
Japan
Prior art keywords
circuit
synchronizing signal
earth
signal
synchronizing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP7939079A
Other languages
Japanese (ja)
Other versions
JPS593907B2 (en
Inventor
Masao Kodama
Hideo Hayashi
Mitsuhiko Ishima
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Koito Industries Ltd
Original Assignee
Koito Industries Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Koito Industries Ltd filed Critical Koito Industries Ltd
Priority to JP7939079A priority Critical patent/JPS593907B2/en
Publication of JPS564952A publication Critical patent/JPS564952A/en
Publication of JPS593907B2 publication Critical patent/JPS593907B2/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/20—Arrangements affording multiple use of the transmission path using different combinations of lines, e.g. phantom working

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Traffic Control Systems (AREA)
  • Bidirectional Digital Transmission (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Selective Calling Equipment (AREA)

Abstract

PURPOSE:To improve circuit efficiency by transmitting a synchronizing signal and sensing signal through different circuits by making use of an earth circuit and also by multiplexing the sensing signals in time-division mode synchronizing with synchronizing signal. CONSTITUTION:To transmission circuits L1 and L2 between central unit 1 and terminal equipment 2, currents are flowed by using circuit L1 and the earth, and circuit L2 and the earth respectively, and consequently one circuit can separately be used. Therefore, circuit L1 is used as line for sending signal (b) including sensing signals D1-D4 from terminal equipment 2 to central unit 1, and circuit L2 as a line for transmitting signal (a) such as a synchronizing signal from central unit 1 to terminal equipment 2. Through control circuit 1-5, MODEM circuit 1-6 generates at its output side initial synchronizing pulse (x) between circuit L2 and the earth with pulses generated by initial synchronizing signal generating circuit 1-1 and when the synchronizing signal from synchronizing signal generating circuit 1-3 is received, pulse signals (y) and (z) are similarly generated.
JP7939079A 1979-06-23 1979-06-23 Vehicle sensing signal transmission device Expired JPS593907B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7939079A JPS593907B2 (en) 1979-06-23 1979-06-23 Vehicle sensing signal transmission device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7939079A JPS593907B2 (en) 1979-06-23 1979-06-23 Vehicle sensing signal transmission device

Publications (2)

Publication Number Publication Date
JPS564952A true JPS564952A (en) 1981-01-19
JPS593907B2 JPS593907B2 (en) 1984-01-26

Family

ID=13688527

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7939079A Expired JPS593907B2 (en) 1979-06-23 1979-06-23 Vehicle sensing signal transmission device

Country Status (1)

Country Link
JP (1) JPS593907B2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0198805U (en) * 1987-12-22 1989-07-03

Also Published As

Publication number Publication date
JPS593907B2 (en) 1984-01-26

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